/* ===== 模块5：复合类型 =====
 * test11_enum — 枚举
 * 难度：3/5
 * 验证点：enum 定义、简单枚举值、带数据枚举变体
 */
#[extern("vm")] fn vm_printf(fmt: *u8, ...) void;

type Color = enum {
    Red,
    Green,
    Blue,
}

type Expr = enum {
    Int: i32,
    Add: struct { left: *Expr, right: *Expr },
}

fn main() i32 {
    vm_printf("enum values: %d %d %d\n", Color.Red, Color.Green, Color.Blue);
    ret 0;
}